| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 29.901 | 17/8:28.317 |
| 2 | 2 | 27.436 | 17/8:07.365 |
| 3 | 2 | 23.593 | 18/8:05.580 |
| 4 | 2 | 26.168 | 18/8:01.941 |
| 5 | 2 | 25.081 | 19/8:22.280 |
| 6 | 2 | 30.176 | 18/8:07.065 |
| 7 | 2 | 22.169 | 19/8:20.851 |
| 8 | 2 | 21.963 | 19/8:10.407 |
| 9 | 2 | 23.955 | 19/8:06.489 |
| 10 | 2 | 23.535 | 19/8:02.556 |
| 11 | 2 | 22.796 | 20/8:23.224 |
| 12 | 2 | 22.059 | 20/8:18.053 |
| 13 | 2 | 22.302 | 20/8:14.052 |
| 14 | 2 | 23.039 | 20/8:11.676 |
| 15 | 2 | 22.268 | 20/8:08.588 |
| 16 | 2 | 23.430 | 20/8:07.339 |
| 17 | 2 | 22.083 | 20/8:04.652 |
| 18 | 2 | 25.121 | 20/8:05.639 |
| 19 | 2 | 24.358 | 20/8:05.719 |
| 20 | 2 | 23.001 | 20/8:04.434 |